class_docstr: Quantization Configuration Object
docstr: Serializes this instance to a JSON string.
docstr_tok: ["Serializes","this","instance","to","a","JSON","string","."]
code: def to_json_string(self):
      """Serializes this instance to a JSON string."""
      return json.dumps(self.to_dict(), indent=2, sort_keys=True) + "\n"
  
file_path: nlp-architect/nlp_architect/common/config.py
imports: import copy
  import json
  import abc
label_desc: Use image node_id 4 for calling the Config obj's underlying member method code with example usage: obj.to_json_string() and returns: unknown